What is the best procedure for calling another ship station using HF radiotelephone when the signals are weak but readable?

Correct Answer: Option A — On a properly selected ITU channel, give the call sign of the ship being called three times using the ICAO alphabet, then "this is" followed by the call sign of the ship initiating the call three times, using the ICAO alphabet, and ending with "over."

Under USCG National Maritime Center examination standards, the accepted correct answer is: On a properly selected ITU channel, give the call sign of the ship being called three times using the ICAO alphabet, then "this is" followed by the call sign of the ship initiating the call three times, using the ICAO alphabet, and ending with "over.".